Which of the following best describes the genetic mutation that causes cyber fibrosis? A. A mutation of a regulator gene
B. A mutation caused by an environmental factor
C. The presence of an extra chromosome
D. An error in the replication of cells

Now it's your turn to investigate human impact around the world. grab your virtual lab coat and put on your environmental science hat. you will be taking a trip around the globe to explore three locations. at each location, you will investigate the cause and effect relationships of deforestation, desertification, and urbanization. you will also gather evidence of how these factors have impacted the environment over time

Will mark branliest. the theory of plate tectonics was developed with the contribution of scientists from many different disciplines. which of the following is a contribution from geophysicists?

In the water cycle , when does water undergo a chemical change